The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts housed in a durable insert. With environmental sealing and a wide operating temperature range of -65°C to 200°C, these connectors offer reliable performance in harsh conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. The aluminum shells come with plating options such as electroless nickel and cadmium finishes, ensuring corrosion resistance. With MIL-DTL-38999 II specification compliance, these connectors are ideal for military and aerospace use, offering secure connectivity with gold-plated removable crimp contacts.